TCC/REST improvements and samples for parallel sub transactions in multi-threaded applications…

Some useful improvements to TCC/REST behaviour…

This release contains all the functionality of our 4.0 release with 100+ commercial bug fixes between 3.9.0 and 3.9.34. As such, this is the first stable customer release of the 4.0.x branch.

Release notes for ExtremeTransactions 4.0.4

Release notes for ExtremeTransactions 4.0.3